About Us
Specialty Cables Engineered for Extreme Environments:
Reliable, High-Performance.

We specialize in the design and manufacturing of special cables for industrial and environmental conditions, including cables for:
Harsh Environments: Submarine Cables, Buoyant, Neutral Buoyancy, Cold Temperature, Corrosive, and Oil-Resistant Cables.
Motion Control & Automation: High-Flex Continuous Cables, Flat Cables, Reeling Cables, Drum Cables, Cables for Robotics, Elevators, and Cranes.
With over 1,000 cable varieties developed, we focus on translating specific operational
challenges into reliable connectivity.
Materials & Design Approach
These cables are engineered using various materials including PUR, PVC, PTFE, FEP, PFA, PVDF, SILICONE, XLPE, and LSZH compounds.
Our purpose is engineering cables that deliver performance and longevity tailored to your system's real-world operating conditions.
Proven Experience & Certification
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20 Years in Extreme Environment Cables
100+ Technical Patents & Innovations
500+ Trusted Partnerships
1000+ Engineered Cable Solutions
Our Global Brands
We operate with a dual-brand strategy to serve our global markets effectively:
Products are marked as Brand "BiaoRou" within China.
The same producs are supplied internationally as Brand " RouLine".
The internal commercial activities for "RouLine" are operated by Yiwu Shangjie E-Commerce
Firm. This structure allows for focused regional presence while ensuring a single, consistent
standard of quality and engineering across all our cable solutions.


